P-value=0.786, OR (95% CI)=1.01 (0.78-1.30) in the Norwegian......
P-value=0.786, OR (95% CI)=1.01 (0.78-1.30) in the Norwegian sample; P-value=0.276, OR (95% CI)=0.88 (0.72-1.09) in the German sample; P-value=0.365, OR (95% CI)=0.92 (0.79-1.07) in the merged sampleMore...

The marker did not show significant association with ADHD.
The marker did not show significant association with ADHD.